POL and related phosphatases are dosage-sensitive regulators of meristem and organ development in Arabidopsis.

doi:10.1016/j.ydbio.2005.06.020

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Article

POL and related phosphatases are dosage-sensitive regulators of meristem and organ development in Arabidopsis.

Developmental biology - 1 Sept 2005

Song Sang-Kee, Clark Steven E

Abstract excerpt

CLAVATA1 (CLV1) regulates stem cell accumulation at Arabidopsis shoot and flower meristems. CLV1 encodes a receptor-like kinase, but very little is known about downstream signaling components of receptor-kinase signaling in plants. poltergeist (pol) mutants suppress the accumulation of stem cells that occur in clv mutants, and POL has been hypothesized to modulate CLV1 signaling. The POL gene, which encodes a...

Topics

Alleles
Arabidopsis
Arabidopsis Proteins
Gene Dosage
Gene Expression Regulation, Developmental
Gene Expression Regulation, Enzymologic
Gene Expression Regulation, Plant
Genes, Plant
Meristem
Multigene Family
Mutation

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Phosphoprotein Phosphatases

Phylogeny

Plant Leaves

Plant Structures

Protein Phosphatase 2C

Signal Transduction

Source

Open in PubMed

Identifiers

PMID: 16112663
DOI: 10.1016/j.ydbio.2005.06.020

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POL and related phosphatases are dosage-sensitive regulators of meristem and organ development in Arabidopsis.PMID 16112663Read ↗

POL and PLL1 phosphatases are CLAVATA1 signaling intermediates required for Arabidopsis shoot and floral stem cells.Semantic proximity Read ↗

POLTERGEIST functions to regulate meristem development downstream of the CLAVATA loci.Semantic proximity Read ↗

POLTERGEIST and POLTERGEIST-LIKE1 are essential for the maintenance of post-embryonic shoot and root apical meristems as revealed by a partial loss-of-function mutant allele of pll1 in Arabidopsis.Semantic proximity Read ↗

CLAVATA1 dominant-negative alleles reveal functional overlap between multiple receptor kinases that regulate meristem and organ development.Semantic proximity Read ↗

CORONA, a member of the class III homeodomain leucine zipper gene family in Arabidopsis, regulates stem cell specification and organogenesis.Semantic proximity Read ↗

BAM receptors regulate stem cell specification and organ development through complex interactions with CLAVATA signaling.Semantic proximity Read ↗

Key divisions in the early Arabidopsis embryo require POL and PLL1 phosphatases to establish the root stem cell organizer and vascular axis.Semantic proximity Read ↗

CLAVATA1 controls distinct signaling outputs that buffer shoot stem cell proliferation through a two-step transcriptional compensation loop.Semantic proximity Read ↗

Plant stem cell maintenance by transcriptional cross-regulation of related receptor kinases.Semantic proximity Read ↗

The signaling peptide-encoding genes CLE16, CLE17 and CLE27 are dispensable for Arabidopsis shoot apical meristem activity.Semantic proximity Read ↗

A group of receptor kinases are essential for CLAVATA signalling to maintain stem cell homeostasis.Semantic proximity Read ↗

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